老同学信息整理小工具

package 老同学信息管理; import java.awt.FlowLayout; import java.awt.TextField; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; import javax.swing.BorderFactory; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; public class OldFriends extends JFrame implements ActionListener { private static final long serialVersionUID = 3L; static Connection connection; static Statement statement; static String DataUrl = "jdbc:odbc:jokersdata"; static String DataUserName = "Jokers"; static String UserPassword = ""; static String TableName = "OldFriends"; private final static int LENGTH = 40; static TextField nameField = new TextField(LENGTH); static TextField universityField = new TextField(LENGTH); static TextField majorField = new TextField(LENGTH); static TextField locationField = new TextField(LENGTH); static TextField cellphoneField = new TextField(LENGTH); static TextField qqField = new TextField(LENGTH); public static void main(String[] args) { InitialDatabase(); new OldFriends(); } OldFriends() { super("老同学信息管理方法"); setLocationRelativeTo(null); setLocation(1366/2-200, 768/2-180); setSize(400, 360); setVisible(true); setResizable(false); setAlwaysOnTop(true); setDefaultCloseOperation(EXIT_ON_CLOSE); JPanel infoPanel = new JPanel(); infoPanel.setLayout(new FlowLayout(FlowLayout.CENTER, 13, 20)); JLabel nameJLabel = new JLabel("姓名"); JLabel univerjJLabel = new JLabel("学校"); JLabel majorJLabel = new JLabel("专业"); JLabel locatJLabel = new JLabel("地址"); JLabel celLabel = new JLabel("手机"); JLabel qqJLabel = new JLabel("ＱＱ"); infoPanel.add(nameJLabel); infoPanel.add(nameField); infoPanel.add(univerjJLabel); infoPanel.add(universityField); infoPanel.add(majorJLabel); infoPanel.add(majorField); infoPanel.add(locatJLabel); infoPanel.add(locationField); infoPanel.add(celLabel); infoPanel.add(cellphoneField); infoPanel.add(qqJLabel); infoPanel.add(qqField); JButton saveButton = new JButton("　　　保存　　　"); JButton resetButton = new JButton("　　　重置　　　"); saveButton.setActionCommand("save"); resetButton.setActionCommand("reset"); saveButton.setBorder(BorderFactory.createRaisedBevelBorder()); resetButton.setBorder(BorderFactory.createRaisedBevelBorder()); saveButton.addActionListener(this); resetButton.addActionListener(this); infoPanel.add(saveButton); infoPanel.add(resetButton); infoPanel.setBorder(BorderFactory.createRaisedBevelBorder()); getContentPane().add(infoPanel); } private static boolean InitialDatabase() { try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); } catch (Exception e) { System.out.println("驱动异常！"); return false; } try { connection = DriverManager.getConnection(DataUrl, DataUserName, UserPassword); statement = connection.createStatement( ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE); System.out.print("成功连接数据库/n"); } catch (Exception e) { System.out.print(e); return false; } return true; } void insertData(String name, String university, String major, String location, String cellphone, String qq) { try { int qqn = 0; try { qqn = Integer.parseInt(qq.trim()); } catch (NumberFormatException e) { qqn = 0; } System.out.print("insert into OldFriends values('" + name + "','" + university + "','" + major + "','" + location + "','" + cellphone.trim() + "'," + qq + ")/n"); statement.execute("insert into OldFriends values('" + name.trim() + "','" + university.trim() + "','" + major.trim() + "','" + location.trim() + "','" + cellphone.trim() + "'," + qqn + ")"); } catch (SQLException e) { e.printStackTrace(); } } void resetInfoPage() { nameField.setText(""); universityField.setText(""); majorField.setText(""); locationField.setText(""); cellphoneField.setText(""); qqField.setText(""); } public void actionPerformed(ActionEvent e) { if (e.getActionCommand().equals("save")) { insertData(nameField.getText(), universityField.getText(), majorField.getText(), locationField.getText(), cellphoneField.getText(), qqField.getText()); resetInfoPage(); } else { resetInfoPage(); } } }